2This title examines the war in Ukraine including the Russian Federation's recognition of the Donetsk and Luhansk People's Republics on February 21, 2022, Russia's subsequent invasion of Ukraine three days later, international reaction to the invasion including economic and political sanctions, and the resulting humanitarian crisis. Aligned to Common Core standards and correlated to state standards. Abdo & Daughters is an imprint of Abdo Publishing, a division of ABDO.